- 20 Sep, 2017 14 commits
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Bernat, Yehezkel authored
commit 8fdd6ab3 upstream. The key size is tested by hex2bin() already (as '\0' isn't an hex digit) Suggested-by:
Andy Shevchenko <andriy.shevchenko@intel.com> Signed-off-by:
Yehezkel Bernat <yehezkel.bernat@intel.com> Acked-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jaegeuk Kim authored
commit 125c9fb1 upstream. We need to check HOT_DATA to truncate any previous data block when doing roll-forward recovery. Reviewed-by:
Chao Yu <yuchao0@huawei.com> Signed-off-by:
Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by:
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Jaegeuk Kim authored
commit afd2b4da upstream. If we set CP_ERROR_FLAG in roll-forward error, f2fs is no longer to proceed any IOs due to f2fs_cp_error(). But, for example, if some stale data is involved on roll-forward process, we're able to get -ENOENT, getting fs stuck. If we get any error, let fill_super set SBI_NEED_FSCK and try to recover back to stable point. Reviewed-by:
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Haishuang Yan authored
[ Upstream commit 0f693f19 ] ttl and tos variables are declared and assigned, but are not used in iptunnel_xmit() function. Fixes: cfc7381b ("ip_tunnel: add collect_md mode to IPIP tunnel") Cc: Alexei Starovoitov <ast@fb.com> Signed-off-by:
Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Acked-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Eric Dumazet authored
[ Upstream commit 1f3b359f ] While the cited commit fixed a possible deadlock, it added a leak of the request socket, since reqsk_put() must be called if the BPF filter decided the ACK packet must be dropped. Fixes: d624d276 ("tcp: fix possible deadlock in TCP stack vs BPF filter") Signed-off-by:
Eric Dumazet <edumazet@google.com> Acked-by:
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Marcelo Ricardo Leitner authored
[ Upstream commit 7906b00f ] Commit fb586f25 ("sctp: delay calls to sk_data_ready() as much as possible") minimized the number of wake ups that are triggered in case the association receives a packet with multiple data chunks on it and/or when io_events are enabled and then commit 0970f5b3 ("sctp: signal sk_data_ready earlier on data chunks reception") moved the wake up to as soon as possible. It thus relies on the state machine running later to clean the flag that the event was already generated. The issue is that there are 2 call paths that calls sctp_ulpq_tail_event() outside of the state machine, causing the flag to linger and possibly omitting a needed wake up in the sequence. One of the call paths is when enabling SCTP_SENDER_DRY_EVENTS via setsockopt(SCTP_EVENTS), as noticed by Harald Welte. The other is when partial reliability triggers removal of chunks from the send queue when the application calls sendmsg(). This commit fixes it by not setting the flag in case the socket is not owned by the user, as it won't be cleaned later. This works for user-initiated calls and also for rx path processing. Fixes: fb586f25 ("sctp: delay calls to sk_data_ready() as much as possible") Reported-by:
Harald Welte <laforge@gnumonks.org> Signed-off-by:
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by:
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Eric Dumazet authored
[ Upstream commit 32a805ba ] IPv6 FIB should use FIB6_TABLE_HASHSZ, not FIB_TABLE_HASHSZ. Fixes: ba1cc08d ("ipv6: fix memory leak with multiple tables during netns destruction") Signed-off-by:
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Sabrina Dubroca authored
[ Upstream commit ba1cc08d ] fib6_net_exit only frees the main and local tables. If another table was created with fib6_alloc_table, we leak it when the netns is destroyed. Fix this in the same way ip_fib_net_exit cleans up tables, by walking through the whole hashtable of fib6_table's. We can get rid of the special cases for local and main, since they're also part of the hashtable. Reproducer: ip netns add x ip -net x -6 rule add from 6003:1::/64 table 100 ip netns del x Reported-by:
Jianlin Shi <jishi@redhat.com> Fixes: 58f09b78 ("[NETNS][IPV6] ip6_fib - make it per network namespace") Signed-off-by:
Sabrina Dubroca <sd@queasysnail.net> Signed-off-by:
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Paolo Abeni authored
[ Upstream commit ca2c1418 ] After commit 0ddf3fb2 ("udp: preserve skb->dst if required for IP options processing") we clear the skb head state as soon as the skb carrying them is first processed. Since the same skb can be processed several times when MSG_PEEK is used, we can end up lacking the required head states, and eventually oopsing. Fix this clearing the skb head state only when processing the last skb reference. Reported-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
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Xin Long authored
[ Upstream commit 5c25f30c ] Now when probessing ICMPV6_PKT_TOOBIG, ip6gre_err only subtracts the offset of gre header from mtu info. The expected mtu of gre device should also subtract gre header. Otherwise, the next packets still can't be sent out. Jianlin found this issue when using the topo: client(ip6gre)<---->(nic1)route(nic2)<----->(ip6gre)server and reducing nic2's mtu, then both tcp and sctp's performance with big size data became 0. This patch is to fix it by also subtracting grehdr (tun->tun_hlen) from mtu info when updating gre device's mtu in ip6gre_err(). It also needs to subtract ETH_HLEN if gre dev'type is ARPHRD_ETHER. Reported-by:
Xin Long <lucien.xin@gmail.com> Signed-off-by:
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Jason Wang authored
[ Upstream commit 8b949bef ] We check tx avail through vhost_enable_notify() in the past which is wrong since it only checks whether or not guest has filled more available buffer since last avail idx synchronization which was just done by vhost_vq_avail_empty() before. What we really want is checking pending buffers in the avail ring. Fix this by calling vhost_vq_avail_empty() instead. This issue could be noticed by doing netperf TCP_RR benchmark as client from guest (but not host). With this fix, TCP_RR from guest to localhost restores from 1375.91 trans per sec to 55235.28 trans per sec on my laptop (Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz). Fixes: 03088137 ("vhost_net: basic polling support") Signed-off-by:
Jason Wang <jasowang@redhat.com> Signed-off-by:
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Claudiu Manoil authored
[ Upstream commit 5d621672 ] The wrong register is checked for the Tx flow control bit, it should have been maccfg1 not maccfg2. This went unnoticed for so long probably because the impact is hardly visible, not to mention the tangled code from adjust_link(). First, link flow control (i.e. handling of Rx/Tx link level pause frames) is disabled by default (needs to be enabled via 'ethtool -A'). Secondly, maccfg2 always returns 0 for tx_flow_oldval (except for a few old boards), which results in Tx flow control remaining always on once activated. Fixes: 45b679c9 ("gianfar: Implement PAUSE frame generation support") Signed-off-by:
Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by:
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Jesper Dangaard Brouer authored
[ Upstream commit 5a63643e ] This reverts commit 1d6119ba. After reverting commit 6d7b857d ("net: use lib/percpu_counter API for fragmentation mem accounting") then here is no need for this fix-up patch. As percpu_counter is no longer used, it cannot memory leak it any-longer. Fixes: 6d7b857d ("net: use lib/percpu_counter API for fragmentation mem accounting") Fixes: 1d6119ba ("net: fix percpu memory leaks") Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
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Jesper Dangaard Brouer authored
[ Upstream commit fb452a1a ] This reverts commit 6d7b857d. There is a bug in fragmentation codes use of the percpu_counter API, that can cause issues on systems with many CPUs. The frag_mem_limit() just reads the global counter (fbc->count), without considering other CPUs can have upto batch size (130K) that haven't been subtracted yet. Due to the 3MBytes lower thresh limit, this become dangerous at >=24 CPUs (3*1024*1024/130000=24). The correct API usage would be to use __percpu_counter_compare() which does the right thing, and takes into account the number of (online) CPUs and batch size, to account for this and call __percpu_counter_sum() when needed. We choose to revert the use of the lib/percpu_counter API for frag memory accounting for several reasons: 1) On systems with CPUs > 24, the heavier fully locked __percpu_counter_sum() is always invoked, which will be more expensive than the atomic_t that is reverted to. Given systems with more than 24 CPUs are becoming common this doesn't seem like a good option. To mitigate this, the batch size could be decreased and thresh be increased. 2) The add_frag_mem_limit+sub_frag_mem_limit pairs happen on the RX CPU, before SKBs are pushed into sockets on remote CPUs. Given NICs can only hash on L2 part of the IP-header, the NIC-RXq's will likely be limited. Thus, a fair chance that atomic add+dec happen on the same CPU. Revert note that commit 1d6119ba ("net: fix percpu memory leaks") removed init_frag_mem_limit() and instead use inet_frags_init_net(). After this revert, inet_frags_uninit_net() becomes empty. Fixes: 6d7b857d ("net: use lib/percpu_counter API for fragmentation mem accounting") Fixes: 1d6119ba ("net: fix percpu memory leaks") Signed-off-by:
Florian Westphal <fw@strlen.de> Signed-off-by:
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- 13 Sep, 2017 26 commits
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Greg Kroah-Hartman authored
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Richard Wareing authored
commit b31ff3cd upstream. If using a kernel with CONFIG_XFS_RT=y and we set the RHINHERIT flag on a directory in a filesystem that does not have a realtime device and create a new file in that directory, it gets marked as a real time file. When data is written and a fsync is issued, the filesystem attempts to flush a non-existent rt device during the fsync process. This results in a crash dereferencing a null buftarg pointer in xfs_blkdev_issue_flush(): BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: xfs_blkdev_issue_flush+0xd/0x20 ..... Call Trace: xfs_file_fsync+0x188/0x1c0 vfs_fsync_range+0x3b/0xa0 do_fsync+0x3d/0x70 SyS_fsync+0x10/0x20 do_syscall_64+0x4d/0xb0 entry_SYSCALL64_slow_path+0x25/0x25 Setting RT inode flags does not require special privileges so any unprivileged user can cause this oops to occur. To reproduce, confirm kernel is compiled with CONFIG_XFS_RT=y and run: # mkfs.xfs -f /dev/pmem0 # mount /dev/pmem0 /mnt/test # mkdir /mnt/test/foo # xfs_io -c 'chattr +t' /mnt/test/foo # xfs_io -f -c 'pwrite 0 5m' -c fsync /mnt/test/foo/bar Or just run xfstests with MKFS_OPTIONS="-d rtinherit=1" and wait. Kernels built with CONFIG_XFS_RT=n are not exposed to this bug. Fixes: f538d4da ("[XFS] write barrier support") Signed-off-by:
Richard Wareing <rwareing@fb.com> Signed-off-by:
Dave Chinner <david@fromorbit.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Trond Myklebust authored
commit 14abcb0b upstream. There are a number of callers of nfs_pageio_complete() that want to continue using the nfs_pageio_descriptor without needing to call nfs_pageio_init() again. Examples include nfs_pageio_resend() and nfs_pageio_cond_complete(). The problem is that nfs_pageio_complete() also calls nfs_pageio_cleanup_mirroring(), which frees up the array of mirrors. This can lead to writeback errors, in the next call to nfs_pageio_setup_mirroring(). Fix by simply moving the allocation of the mirrors to nfs_pageio_setup_mirroring(). Link: https://bugzilla.kernel.org/show_bug.cgi?id=196709Reported-by:
JianhongYin <yin-jianhong@163.com> Signed-off-by:
Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by:
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tarangg@amazon.com authored
commit e973b1a5 upstream. Since commit 18290650 ("NFS: Move buffered I/O locking into nfs_file_write()") nfs_file_write() has not flushed the correct byte range during synchronous writes. generic_write_sync() expects that iocb->ki_pos points to the right edge of the range rather than the left edge. To replicate the problem, open a file with O_DSYNC, have the client write at increasing offsets, and then print the successful offsets. Block port 2049 partway through that sequence, and observe that the client application indicates successful writes in advance of what the server received. Fixes: 18290650 ("NFS: Move buffered I/O locking into nfs_file_write()") Signed-off-by:
Jacob Strauss <jsstraus@amazon.com> Signed-off-by:
Tarang Gupta <tarangg@amazon.com> Tested-by:
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Trond Myklebust authored
commit 196639eb upstream. The writeback code wants to send a commit after processing the pages, which is why we want to delay releasing the struct path until after that's done. Also, the layout code expects that we do not free the inode before we've put the layout segments in pnfs_writehdr_free() and pnfs_readhdr_free() Fixes: 919e3bd9 ("NFS: Ensure we commit after writeback is complete") Fixes: 4714fb51 ("nfs: remove pgio_header refcount, related cleanup") Signed-off-by:
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Mark Rutland authored
commit 746a272e upstream. When there's a fatal signal pending, arm's do_page_fault() implementation returns 0. The intent is that we'll return to the faulting userspace instruction, delivering the signal on the way. However, if we take a fatal signal during fixing up a uaccess, this results in a return to the faulting kernel instruction, which will be instantly retried, resulting in the same fault being taken forever. As the task never reaches userspace, the signal is not delivered, and the task is left unkillable. While the task is stuck in this state, it can inhibit the forward progress of the system. To avoid this, we must ensure that when a fatal signal is pending, we apply any necessary fixup for a faulting kernel instruction. Thus we will return to an error path, and it is up to that code to make forward progress towards delivering the fatal signal. Signed-off-by:
Mark Rutland <mark.rutland@arm.com> Reviewed-by:
Steve Capper <steve.capper@arm.com> Signed-off-by:
Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by:
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Marc Zyngier authored
commit 95696d29 upstream. The GIC-500 integrated in the Armada-37xx SoCs is compliant with the GICv3 architecture, and thus provides a maintenance interrupt that is required for hypervisors to function correctly. With the interrupt provided in the DT, KVM now works as it should. Tested on an Espressobin system. Fixes: adbc3695 ("arm64: dts: add the Marvell Armada 3700 family and a development board") Signed-off-by:
Marc Zyngier <marc.zyngier@arm.com> Signed-off-by:
Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by:
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Ben Seri authored
commit e860d2c9 upstream. Validate the output buffer length for L2CAP config requests and responses to avoid overflowing the stack buffer used for building the option blocks. Signed-off-by:
Ben Seri <ben@armis.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
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Stanislaw Gruszka authored
commit 83ec4891 upstream. Since commit 41977e86 ("rt2x00: add support for MT7620") we do not initialize TX_PIN_CFG setting. This cause breakage at least on some RT3573 devices. To fix the problem patch restores previous behaviour for non MT7620 chips. Fixes: 41977e86 ("rt2x00: add support for MT7620") Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1480829Reported-and-tested-by:
Jussi Eloranta <jussi.eloranta@csun.edu> Cc: Daniel Golle <daniel@makrotopia.org> Signed-off-by:
Stanislaw Gruszka <sgruszka@redhat.com> Acked-by:
Daniel Golle <daniel@makrotopia.org> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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Linus Torvalds authored
commit f007cad1 upstream. This reverts commit 81f95076. It causes random failures of firmware loading at resume time (well, random for me, it seems to be more reliable for others) because the firmware disabling is not actually synchronous with any particular resume event, and at least the btusb driver that uses a workqueue to load the firmware at resume seems to occasionally hit the "firmware loading is disabled" logic because the firmware loader hasn't gotten the resume event yet. Some kind of sanity check for not trying to load firmware when it's not possible might be a good thing, but this commit was not it. Greg seems to have silently suffered the same issue, and pointed to the likely culprit, and Gabriel C verified the revert fixed it for him too. Reported-by:
Gabriel C <nix.or.die@gmail.com> Cc: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by:
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Brijesh Singh authored
commit 64531a3b upstream. Commit 14727754 ("kvm: svm: Add support for additional SVM NPF error codes", 2016-11-23) added a new error code to aid nested page fault handling. The commit unprotects (kvm_mmu_unprotect_page) the page when we get a NPF due to guest page table walk where the page was marked RO. However, if an L0->L2 shadow nested page table can also be marked read-only when a page is read only in L1's nested page table. If such a page is accessed by L2 while walking page tables it can cause a nested page fault (page table walks are write accesses). However, after kvm_mmu_unprotect_page we may get another page fault, and again in an endless stream. To cover this use case, we qualify the new error_code check with vcpu->arch.mmu_direct_map so that the error_code check would run on L1 guest, and not the L2 guest. This avoids hitting the above scenario. Fixes: 14727754 Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Thomas Lendacky <thomas.lendacky@amd.com> Signed-off-by:
Brijesh Singh <brijesh.singh@amd.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
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Laurent Dufour authored
commit de0c799b upstream. Seen while reading the code, in handle_mm_fault(), in the case arch_vma_access_permitted() is failing the call to mem_cgroup_oom_disable() is not made. To fix that, move the call to mem_cgroup_oom_enable() after calling arch_vma_access_permitted() as it should not have entered the memcg OOM. Link: http://lkml.kernel.org/r/1504625439-31313-1-git-send-email-ldufour@linux.vnet.ibm.com Fixes: bae473a4 ("mm: introduce fault_env") Signed-off-by:
Laurent Dufour <ldufour@linux.vnet.ibm.com> Acked-by:
Kirill A. Shutemov <kirill@shutemov.name> Acked-by:
Michal Hocko <mhocko@suse.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Michal Hocko authored
commit b4ccec41 upstream. online_mem_sections() accidentally marks online only the first section in the given range. This is a typo which hasn't been noticed because I haven't tested large 2GB blocks previously. All users of pfn_to_online_page would get confused on the the rest of the pfn range in the block. All we need to fix this is to use iterator (pfn) rather than start_pfn. Link: http://lkml.kernel.org/r/20170904112210.3401-1-mhocko@kernel.org Fixes: 2d070eab ("mm: consider zone which is not fully populated to have holes") Signed-off-by:
Vlastimil Babka <vbabka@suse.cz> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by:
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David Rientjes authored
commit b6b1fd2a upstream. Free frontswap_map if an error is encountered before enable_swap_info(). Signed-off-by:
David Rientjes <rientjes@google.com> Reviewed-by:
"Huang, Ying" <ying.huang@intel.com> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by:
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Darrick J. Wong authored
commit 8606a1a9 upstream. If initializing a small swap file fails because the swap file has a problem (holes, etc.) then we need to free the cluster info as part of cleanup. Unfortunately a previous patch changed the code to use kvzalloc but did not change all the vfree calls to use kvfree. Found by running generic/357 from xfstests. Link: http://lkml.kernel.org/r/20170831233515.GR3775@magnolia Fixes: 54f180d3 ("mm, swap: use kvzalloc to allocate some swap data structures") Signed-off-by:
Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by:
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Andy Lutomirski authored
commit 23d98c20 upstream. Those are funny cases. Make sure they work. (Something is screwy with signal handling if a selector is 1, 2, or 3. Anyone who wants to dive into that rabbit hole is welcome to do so.) Signed-off-by:
Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bpetkov@suse.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Chang Seok <chang.seok.bae@intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Shuah Khan authored
commit df9c011c upstream. When a test exits with skip exit code of 4, "make run_destructive_tests" halts testing. Fix run_destructive_tests target to handle error exit codes. Reported-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by:
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John Stultz authored
commit 98b74e1f upstream. Change default arguments for leap-a-day to always set the time each iteration (rather then waiting for midnight UTC), and to only run 10 interations (rather then infinite). If one wants to wait for midnight UTC, they can use the new -w flag, and we add a note to the argument help that -i -1 will run infinitely. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Miroslav Lichvar <mlichvar@redhat.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Stephen Boyd <stephen.boyd@linaro.org> Cc: Shuah Khan <shuah@kernel.org> Cc: linux-kselftest@vger.kernel.org Signed-off-by:
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Ian W MORRISON authored
commit f957dd3c upstream. The firmware feature check introduced for multi-scheduled scan is also failing for bcm4345 devices resulting in a firmware crash. The reason for this crash has not yet been root cause so this patch avoids the feature check for those device as a short-term fix. Fixes: 9fe929aa ("brcmfmac: add firmware feature detection for gscan feature") Signed-off-by:
Ian W MORRISON <ianwmorrison@gmail.com> Acked-by:
Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by:
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Eric Dumazet authored
commit bc9ae224 upstream. __radix_tree_preload() only disables preemption if no error is returned. So we really need to make sure callers always check the return value. idr_preload() contract is to always disable preemption, so we need to add a missing preempt_disable() if an error happened. Similarly, ida_pre_get() only needs to call preempt_enable() in the case no error happened. Link: http://lkml.kernel.org/r/1504637190.15310.62.camel@edumazet-glaptop3.roam.corp.google.com Fixes: 0a835c4f ("Reimplement IDR and IDA using the radix tree") Fixes: 7ad3d4d8 ("ida: Move ida_bitmap to a percpu variable") Signed-off-by:
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Larry Finger authored
commit 6d622692 upstream. In commit 87d8a9f3 ("rtlwifi: btcoex: call bind to setup btcoex"), the code turns on a call to exhalbtc_bind_bt_coex_withadapter(). This routine contains a bug that causes incorrect antenna selection for those HP laptops with only one antenna and an incorrectly programmed EFUSE. These boxes are the ones that need the ant_sel module parameter. Fixes: 87d8a9f3 ("rtlwifi: btcoex: call bind to setup btcoex") Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Cc: Ping-Ke Shih <pkshih@realtek.com> Cc: Yan-Hsuan Chuang <yhchuang@realtek.com> Cc: Birming Chiu <birming@realtek.com> Cc: Shaofu <shaofu@realtek.com> Cc: Steven Ting <steventing@realtek.com> Signed-off-by:
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Larry Finger authored
commit a33fcba6 upstream. In commit bcd37f4a ("rtlwifi: btcoex: 23b 2ant: let bt transmit when hw initialisation done"), there is an additional error when the module parameter ant_sel is used to select the auxilary antenna. The error is that the antenna selection is not checked when writing the antenna selection register. Fixes: bcd37f4a ("rtlwifi: btcoex: 23b 2ant: let bt transmit when hw initialisation done") Signed-off-by:
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Aleksa Sarai authored
commit 6c6b5a39 upstream. Several distributions mount the "proper root" as ro during initrd and then remount it as rw before pivot_root(2). Thus, if a rescan had been aborted by a previous shutdown, the rescan would never be resumed. This issue would manifest itself as several btrfs ioctl(2)s causing the entire machine to hang when btrfs_qgroup_wait_for_completion was hit (due to the fs_info->qgroup_rescan_running flag being set but the rescan itself not being resumed). Notably, Docker's btrfs storage driver makes regular use of BTRFS_QUOTA_CTL_DISABLE and BTRFS_IOC_QUOTA_RESCAN_WAIT (causing this problem to be manifested on boot for some machines). Cc: Jeff Mahoney <jeffm@suse.com> Fixes: b382a324 ("Btrfs: fix qgroup rescan resume on mount") Signed-off-by:
Aleksa Sarai <asarai@suse.de> Reviewed-by:
Nikolay Borisov <nborisov@suse.com> Tested-by:
David Sterba <dsterba@suse.com> Signed-off-by:
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Daniel Verkamp authored
commit 40a5fce4 upstream. The default host NQN, which is generated based on the host's UUID, does not follow the UUID-based NQN format laid out in the NVMe 1.3 specification. Remove the "NVMf:" portion of the NQN to match the spec. Signed-off-by:
Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by:
Max Gurtovoy <maxg@mellanox.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Abhishek Sahu authored
commit 10777de5 upstream. The configuration for BCH is not correct in the current driver. The ECC_CFG_ECC_DISABLE bit defines whether to enable or disable the BCH ECC in which 0x1 : BCH_DISABLED 0x0 : BCH_ENABLED But currently host->bch_enabled is being assigned to BCH_DISABLED. Fixes: c76b78d8 ("mtd: nand: Qualcomm NAND controller driver") Signed-off-by:
Abhishek Sahu <absahu@codeaurora.org> Reviewed-by:
Archit Taneja <architt@codeaurora.org> Signed-off-by:
Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by:
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Abhishek Sahu authored
commit d8a9b320 upstream. The NAND page read fails without complete boot chain since NAND_DEV_CMD_VLD value is not proper. The default power on reset value for this register is 0xe - ERASE_START_VALID | WRITE_START_VALID | READ_STOP_VALID The READ_START_VALID should be enabled for sending PAGE_READ command. READ_STOP_VALID should be cleared since normal NAND page read does not require READ_STOP command. Fixes: c76b78d8 ("mtd: nand: Qualcomm NAND controller driver") Reviewed-by:
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